Mexico, 1861, 4r black on yellow, Without Overprint, Tuspan, bold strike of oval Tuspan cancel (Schatzkes 1728), large oversized margins, an Extremely Fine gem, quite certain one of the finest from the direct shipment of 120 stamps; with 1987 MEPSI certificate. Follansbee No. 9 $600. Scott No. 9b  Estimate $600 - 800. $0 (Image)